Multiple Choice
In a double-blind study,
A) participants are assigned randomly to both the control group and the experimental group.
B) the experimenter manipulates neither the independent variable nor the dependent variable.
C) both the experimental group and the control group receive placebos.
D) neither the observer nor the participants know which group is the experimental group and which is the control group.
Correct Answer:
Verified
Correct Answer:
Verified
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